Table 10-3. FRCST Menu Labels

Menu Label

 

Description

 

 

 

 

 

 

 

list name for x-variable

These specify the two lists of data to be

list name for y-variable

compared. Also used for estimations:store

 

 

 

x and estimate y, or vice-versa.

is

 

 

 

the menu label for an unnamed current list.

 

*

Calculates the correlation coefficient, a

 

 

 

number between －1 and ＋1 that

 

 

 

measures how closely the x,y data points

 

 

 

match the calculated curve.

 

*

Calculates M. For the linear model, this is

 

 

 

the slope.

 

*

Calculates B. For the linear model, this is

 

 

 

the y-intercept.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Displays a choice of the four curve-fitting models:

, , , and .

Calculates the weighted mean of the x-values using the weights in the y-list.

Calculates the standard deviation of a set of x-values grouped by frequencies specified in the y-list.

The number of items in either list.

Sum of items in x-list.

Sum of items in y-list.

Sum of squares of items in x-list.

Sum of squares of items in y-list.

Sum of products of items in x- and y-lists.

*For the non-linear models, the calculation uses the transformed data values.

132 10: Running Total and Statistics

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